{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["Chemical"], "input": "Genetic gain and loss of function assays in C2C12 myotubes indicated that tumor - induced activation of the p38 beta isoform is sufficient and necessary for UBR2 up - regulation ."}
{"Chemical": []}